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46 lines
1.7 KiB
Python
46 lines
1.7 KiB
Python
import pytest
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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node = cluster.add_instance(
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"node",
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main_configs=[
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"configs/format_alter_operations_with_parentheses.xml",
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],
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)
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@pytest.fixture(scope="module", autouse=True)
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def started_cluster():
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try:
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cluster.start()
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yield cluster
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finally:
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cluster.shutdown()
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def test_alter():
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INPUT = """
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SELECT '--- Alter commands in parens';
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SELECT formatQuery('ALTER TABLE a (MODIFY TTL expr GROUP BY some_key), (ADD COLUMN a Int64)');
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SELECT formatQuery('ALTER TABLE a (MODIFY TTL expr TO VOLUME \\'vol1\\', expr2 + INTERVAL 2 YEAR TO VOLUME \\'vol2\\'), (DROP COLUMN c)');
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SELECT '--- Check only consistent parens around alter commands are accepted';
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SELECT formatQuery('ALTER TABLE a (DROP COLUMN b), DROP COLUMN c'); -- { serverError SYNTAX_ERROR }
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SELECT formatQuery('ALTER TABLE a DROP COLUMN b, (DROP COLUMN c)'); -- { serverError SYNTAX_ERROR }
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SELECT formatQuery('ALTER TABLE a (DROP COLUMN b), (DROP COLUMN c)');
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SELECT formatQuery('ALTER TABLE a DROP COLUMN b, DROP COLUMN c'); -- Make sure it is backward compatible
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"""
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EXPECTED_OUTPUT = """--- Alter commands in parens
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ALTER TABLE a\\n (MODIFY TTL expr GROUP BY some_key),\\n (ADD COLUMN `a` Int64)
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ALTER TABLE a\\n (MODIFY TTL expr TO VOLUME \\'vol1\\', expr2 + toIntervalYear(2) TO VOLUME \\'vol2\\'),\\n (DROP COLUMN c)
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--- Check only consistent parens around alter commands are accepted
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ALTER TABLE a\\n (DROP COLUMN b),\\n (DROP COLUMN c)
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ALTER TABLE a\\n (DROP COLUMN b),\\n (DROP COLUMN c)
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"""
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result = node.query(INPUT)
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assert result == EXPECTED_OUTPUT
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